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Keywords dehydroabietic acid;acetophenone;acylhydrazone;synthesis; 去氢枞酸;苯乙酮;酰腙;合成;
Keywords dehydroabietic acid;abietic acid;chiral catalyst; 脱氢枞酸;松香酸;手性催化剂;
Keywords Dehydroabietic acid;phenazine;quinoxaline;fluorescence;chiral derivatization reagents; 脱氢松香酸;吩嗪;喹喔啉;荧光;手性衍生试剂;
Keywords Dehydroabietic acid;Friedel-Crafts reaction;Aldol condensation;Fluorescence;Cation-recognition; 脱氢松香酸;傅克反应;羟醛缩合;荧光;阳离子识别;
High purity dehydroabietic acid was prepared from disproportionated rosin by means of fractional acidification. 以歧化松香为原料,采用树脂酸逐级酸化分离的方法制备高纯度脱氢枞酸。
It is not necessary to use natural pure abietic acid and dehydroabietic acid and they are not easily obtained as standard substances. 该法不仅可以克服松香中各异物体及同系物的干扰,而且不必用极难制备和保存的天然纯枞酸和脱氢枞酸作标样。
The comparison of isolation methods of dehydroabietic acid was carried out,using disproportionated rosin as raw material by GC method. 以歧化松香为原料、气相色谱为分析手段进行了脱氢枞酸单离方法的比较。
Their types of structures were mainly dehydroabietic acid type and rearranged dehydroabietic acid type.Their biological activities were mainly antioxidant,antimicrobe and antitumour. 结构类型以脱氢松香酸型及重排脱氢松香酸型三环二萜酚类为主。
Keywords mixed rosin;disproportionation;abietic acid;dehydroabietic acid; 混合松香;歧化反应;枞酸;去氢枞酸;
Keywords disproportionated rosin;GC;UV spectrophotometry;abietic acid;dehydroabietic acid; 歧化松香;气相色谱;紫外分光;枞酸;脱氢枞酸;
Synthesis of sucrose dehydroabietic acid esters by solvent method 去氢枞酸蔗糖酯的溶剂法合成
( 2-acryloyloxy ) ethyl ester of dehydroabietic acid 脱氢枞酸（β-丙烯酰氧基乙基）酯
Keywords Alkoxide process,Unprecious metal of ultrafine particle,Catalyst,Catalytic activity,Disproportionated rosin,Dehydroabietic acid,analyze; 醇盐法;非贵金属超微粒子;催化剂;催化剂活性;歧化松香;去氢枞酸;分析;
Preparation of Optically Pure Dehydroabietic Acid from Yunnan Gum Resin 云南脂松香制备光学纯去氢枞酸的研究
Preparation of high purity dehydroabietic acid by fractional acidification 逐级酸化法制备高纯度脱氢枞酸
Synthesis and Characterization of Two Quinolines from Dehydroabietic Acid 两种脱氢松香基喹啉衍生物的合成与表征
Study on Determination of Dehydroabietic Acid by Ultraviolet Spectrophotometry 脱氢枞酸紫外光谱分析研究
Synthesis and Characterization of Methyl Furazandehydroabietates from Dehydroabietic Acid 脱氢松香酸甲酯呋咱衍生物的合成与表征
Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
Synthesis and Characterization of Two Quinoline Derivatives from Dehydroabietic Acid 脱氢松香酸甲酯喹啉衍生物的合成与表征